Custom peptide synthesis generally refers to a service involving the artificial synthesis of peptides. We possess well-established methods for peptide synthesis and purification.
The molecular weight of the crude peptide is confirmed using mass spectrometry (MS) to ensure its accuracy. The crude peptide is then purified using high-performance liquid chromatography (HPLC) to obtain high-purity peptide products.
We have extensive experience in the synthesis of complex and challenging peptides, including:Multi-disulfide-bridged peptide;;Cyclic peptides;Stapled peptides;Thioether-constrained peptides;PEGylated peptides;Lipidated peptides;Peptide-protein conjugates;Peptide-chelator complexes;Multi-epitope antigenic peptides
Go Top Peptide Biotech is one of the world's largest manufacturers of custom peptides. We are capable of producing nearly any type of peptide at any scale required—from milligram research quantities to multi-kilogram GMP-grade active pharmaceutical ingredients (APIs).

With multiple production facilities, Go Top Peptide Biotech offers flexible manufacturing capacity for peptide APIs at various scales, ranging from grams to kilograms. We utilize solid-phase peptide synthesis (SPPS), liquid-phase synthesis (LPPS), and hybrid solid/liquid-phase synthesis methods to meet diverse production needs.
Our advanced technologies, rigorous quality control systems, and innovative management practices enable us to deliver high-quality custom peptides to global pharmaceutical companies, leading biotech firms, prestigious academic institutions, and clinical research laboratories.
We take great pride in our ability to meet the exact needs of every client and deliver consistently high-quality products.
To meet the rapidly increasing demand for peptide production,Go Top Peptide Biotech has developed a new commercial model that allows us to manufacture products of the highest quality at significantly lower costs than most of our competitors.
Our custom peptides typically undergo internal quality review and release within 3 to 4 weeks, ensuring efficient turnaround while maintaining strict quality standards.




